Isingeniso: I-Silver oxide, inhlanganisela eyakhiwe ngokuhlanganisa isiliva nomoya-mpilo, ithole ukunakwa eminyakeni yamuva nje ngokusetshenziswa kwayo okuhlukahlukene emikhiqizweni yezimboni, yezokwelapha, kanye nabathengi.Kodwa-ke, ukukhathazeka mayelana nokuphepha kwayo kuphinde kwavela, okusenze ukuthi singene esihlokweni futhi sihlukanise...
Funda kabanzi